Physics The unit of noise pollution (level) is : Ppm None of these Decimal Decibel Ppm None of these Decimal Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted upward or downward depending on the density of the liquid Shifted upwards Shifed neither upward nor downward Shifted downwards Shifted upward or downward depending on the density of the liquid Shifted upwards Shifed neither upward nor downward Shifted downwards ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 2.0958333333333 0.12847222222222 1.0479166666667 0.21041666666667 2.0958333333333 0.12847222222222 1.0479166666667 0.21041666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Rises Falls first and then rises Remains same Falls Rises Falls first and then rises Remains same Falls ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Induction coil Dynamo Rectifier Transformer Induction coil Dynamo Rectifier Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The focal length of the lens The aperture The exposure time Size of the camera The focal length of the lens The aperture The exposure time ANSWER DOWNLOAD EXAMIANS APP